I tell you a little more about my setup and maybe it will help, May or may not be related - I don't know
Its got to be something to do with setup, somehow, somewhere
Sometimes, I do have to Right click on a new page window, and less often, several times
Perhaps its your DNS try another ?
I have large installed memory, but worked on 6gb before too
I have add on of Ublock Origin with Avant / Firefox - try that first, standard settings
I have installed McAfee, IBM Rapport, Spyware Blaster, Advanced System Care,
Please put your bug reports here, and only here.